{"id":"CVE-2025-63929","details":"A null pointer dereference vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). When multiple threads enqueue elements concurrently via IEC10X_PrioEnQueue, the function may dereference a null or freed queue pointer, resulting in a segmentation fault and potential denial-of-service.","modified":"2026-04-10T05:33:39.005302Z","published":"2025-11-12T19:15:37.890Z","references":[{"type":"REPORT","url":"https://github.com/airpig2011/IEC104/issues/21"},{"type":"EVIDENCE","url":"https://songsong.host/mybugs/CVE-2025-63929.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2019-07-08"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-63929.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}